[rubygems/rubygems] Clear `YAML` constant if it was undefined previously

https://github.com/rubygems/rubygems/commit/31d0311258

1 files changed, 8 insertions, 0 deletions

diff --git a/test/rubygems/test_gem_specification.rb b/test/rubygems/test_gem_specification.rb
index e4e908c98f..6a893f09c9 100644
--- a/test/rubygems/test_gem_specification.rb
+++ b/test/rubygems/test_gem_specification.rb
@@ -1071,19 +1071,27 @@ dependencies: []
   end
 
   def test_handles_private_null_type
+    yaml_defined = Object.const_defined?("YAML")
+
     path = File.expand_path "data/pry-0.4.7.gemspec.rz", __dir__
 
     data = Marshal.load Gem::Util.inflate(Gem.read_binary(path))
 
     assert_instance_of Gem::Specification, data
+
+    assert_equal(yaml_defined, Object.const_defined?("YAML"))
   end
 
   def test_handles_dependencies_with_syck_requirements_bug
+    yaml_defined = Object.const_defined?("YAML")
+
     path = File.expand_path "data/excon-0.7.7.gemspec.rz", __dir__
 
     data = Marshal.load Gem::Util.inflate(Gem.read_binary(path))
 
     assert_instance_of Gem::Specification, data
+
+    assert_equal(yaml_defined, Object.const_defined?("YAML"))
   end
 
   def test_initialize